Nomos 1 Family

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BRANDS: Nomos

Production: 2001 – 2005
1910s	1920s	1930s	1940s	1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s

The Nomos 1 family of movements is based on the Peseux 7001, currently produced by ETA. Over time, Nomos moved from a basic 7001 to add their own modifications, starting with a Triovis regulator, then hacking seconds mechanism, and finally Glashütte three-quarter plate design.

By 2001, Nomos was advertising this movement as “new” and renamed as the “Nomos 1” to differentiate it. Previously, it was always referred to as the ETA/Peseux 7001, even with Nomos modifications. In 2005, Nomos began manufacturing their own movement rather than using the ETA plates and wheels, resulting in the Nomos Alpha family.

The Nomos 1 was also produced without a three-quarter plate

Complications	Non-Hacking	Hacking Seconds	Three Quarter Plate
Time-Only	Nomos 1 T	Nomos 1 TS	Nomos 1 TSP
Date		Nomos 1 TSD	Nomos 1 TSDP
Power Reserve Indicator Date			Nomos 1 TSDPG

The Nomos 1 was based on an ETA/Peseux 7001 Ebauches

The Nomos Alpha was produced in-house except for the escapement

The DUW 4000/5000 includes the in-house Nomos Swing System

Nomos Hand-Winding Movements

	Nomos 1 Family	Nomos Alpha Family	DUW 4000/5000 Family

Time-Only	Nomos 1 T Nomos 1 TS Nomos 1 TSP	Nomos Alpha Nomos Alpha.2
Date	Nomos 1 TSD Nomos 1 TSDP	Nomos Beta	DUW 4101
Date and Power Reserve	Nomos 1 TSDPG	Nomos Delta	DUW 4401
Power Reserve		Nomos Gamma	DUW 4301

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